Answer
b. gametophyte; sporophyte
Work Step by Step
The gametophyte generation of bryophytes are the dominant form. The gametophyte produces the gametes, the male and female sex cells. Male and female gametes must unite to form a zygote, which later becomes the sporophyte. The sporophyte is the asexual generation; sporophytes form spores, and the spores produce the gametes.
